Fountain



FIG. 1 is a perspective view of a fountain showing my new design;

FIG. 2 is a side view of the fountain of FIG. 1;

FIG. 3 is a top view of the fountain of FIG. 1; and,

FIG. 4 is a bottom view of the fountain of FIG. 1.

The broken lines are for illustrative purposes only and form no part of the claimed design. 

CLAIM The ornamental design for a fountain, as shown and described. 